Washington County, Missouri
Washington County: County in Missouri, United States
About
Washington County is a county located in the U.S. state of Missouri. As of the 2010 census, the population was 25,195 and a population density of 33 people per km². After 10 years in 2020 county had an estimated population of 24,604 inhabitants. Its county seat is Potosi. The county was created 211 years ago in 1812.
Quick Facts about Washington County
| Population : | 24,604 (2020) |
| Country : | United States of America |
| State : | Missouri (United States) |
| Different from : | Washington County, Washington County, Washington County, Washington County, Washington County, Washington County, Washington County, Washington County, Washington County, Washington County, Washington County, Washington County, Washington County, Washington County, Washington County, Washington County, Washington Parish, Washington County, Washington County, Washington County, Washington County, Washington County, Washington County, Washington County, Washington County, Washington County, Washington County, Washington County, Washington County, Washington County |
| Area : | 762 km2 |
| Water as percent of area : | 0.3% |
| Land as percent of area : | 99.7% |
| Named for : | George Washington |
| Capital : | Potosi |
| Establishment : | January 01, 1813 |
| Time Zone : | America/Chicago |
| Local time : | 11:37:25 (3rd December 2024) |
| Density : | 32 Pop. per km² as of 2020 |
| Population growth : | -2.4% (2010-2020) |
Geography
Washington County is located at 37°57'42"N 90°52'39"W (37.9616800, -90.8774200). It has 5 neighbors: Crawford County, Franklin County, Iron County, Jefferson County and Saint Francois County.
Washington County map
Click "full screen" 
icon to open full mode. View satellite images
icon to open full mode. View satellite images
The largest city of Washington County is Potosi with a population of 2,548. Other cities include, Irondale population 438, Summit population 302 and Caledonia population 126. See all Washington County cities & populated places.
Washington County Populated Places
Cities, towns, neighborhoods & other populated places in Washington County.
| City Name | Population | Title |
|---|---|---|
| Potosi | 2,548 | County seat of Washington County, Missouri, United States |
| Irondale | 438 | City in Washington County, Missouri |
| Mineral Point | 353 | Village in the United States |
| Summit | 302 | Human settlement in Missouri, United States of America |
| Caledonia | 126 | City in Washington County, Missouri, United States of America |
- Official Website
Official website of Washington County
Washington County has 5 neighbours.
- Crawford County county in Missouri, United States
- Franklin County county in Missouri, United States
- Iron County county in Missouri, United States
- Jefferson County county in Missouri, United States
- Saint Francois County county in Missouri, United States
Demographics
According to census records, the population of Washington County decreased by 2.4% in 10 years.
| Year | Population | % Change | Method |
| 2010 | 25,195 | - | census |
| 2011 | 25,105 | -0.36% | estimation process |
| 2012 | 25,088 | -0.07% | estimation process |
| 2013 | 25,144 | 0.22% | estimation process |
| 2014 | 25,079 | -0.26% | estimation process |
| 2015 | 24,793 | -1.15% | estimation process |
| 2016 | 24,852 | 0.24% | estimation process |
| 2017 | 24,994 | 0.57% | estimation process |
| 2018 | 24,933 | -0.24% | estimation process |
| 2019 | 24,730 | -0.82% | estimation process |
| 2020 | 24,604 | -0.51% | estimation process |
Comitatul Washington, Comte de Washington, Comté de Washington, Condado de Washington, Condado han Washington, Contea di Washington, Hrabstwo Washington, Okrug Vashington, Quan Washington, Quận Washington, Vashington, Vasington srjan, Washington, Washington Kun, Washington Kūn, Washington konderria, Washington megye, Washingtoni maakond, hua sheng dun xian, raasintana ka'unti, shhrstan washyngtn myzwry, washinton jun, Вашингтон, Округ Вашингтон, Վաշինգտոն շրջան, شهرستان واشینگتن، میزوری, مقاطعة واشنطن, واشنگٹن کاؤنٹی، مسوری, واشنگٹن کاؤنٹی،مسوری, ৱাশিংটন কাউন্টি, ワシントン郡, 華盛頓縣
People born in Washington County (1)
first national park ranger, Yellowstone National Park Harry Yount was born in Washington County
Other places with the same name (30)
- Washington County , Oregon county in Oregon, United States with a population of 603,514 people.
- Washington County , Minnesota county in Minnesota, United States with a population of 265,476 people.
- Washington County , Arkansas county in Arkansas, United States with a population of 243,216 people.
- Washington County , Pennsylvania county in Pennsylvania, United States with a population of 206,803 people.
- Washington County , Utah county in southwestern Utah, United States with a population of 184,913 people.
- Washington County , Maryland county in Maryland, United States with a population of 151,146 people.
- Washington County , Wisconsin county in Wisconsin, United States with a population of 136,445 people.
- Washington County , Tennessee county in Tennessee, United States with a population of 130,367 people.
- Washington County , Rhode Island county in Rhode Island, United States with a population of 125,746 people.
- Washington County , New York county in New York, United States with a population of 60,606 people.
- Washington County , Ohio county in Ohio, United States with a population of 59,652 people.
- Washington County , Vermont county in Vermont, United States with a population of 58,328 people.
- Washington County , Virginia county in Virginia, United States with a population of 53,695 people.
- Washington County , Oklahoma county in Oklahoma, United States with a population of 52,222 people.
- Washington County , Mississippi county in Mississippi, United States with a population of 42,837 people.
- Washington County , Texas county in Texas, United States with a population of 35,771 people.
- Washington County , Maine county in Maine, United States with a population of 31,473 people.
- Washington County , Indiana county in Indiana, United States with a population of 28,213 people.
- Washington County , Florida county in Florida, United States with a population of 25,932 people.
- Washington County , Iowa county in Iowa, United States with a population of 21,992 people.
- Washington County , Nebraska county in Nebraska, United States with a population of 20,901 people.
- Washington County , Georgia county in Georgia, United States with a population of 20,150 people.
- Washington County , Alabama county in Alabama, United States with a population of 15,976 people.
- Washington County , Illinois county in Illinois, United States with a population of 13,764 people.
- Washington County , Kentucky county in Kentucky, United States with a population of 12,147 people.
- Washington County , North Carolina county in North Carolina, United States with a population of 11,485 people.
- Washington County , Idaho county in Idaho, United States with a population of 10,194 people.
- Washington County , Kansas county in Kansas, United States with a population of 5,427 people.
- Washington County , Colorado county in Colorado, United States with a population of 4,875 people.
Missouri Other Counties (more counties)
| County Name | Population | Title |
|---|---|---|
| Saint Louis County | 994,020 | County in Minnesota, United States |
| Jackson County | 705,925 | County in Oregon, United States |
| Kansas City | 495,327 | The third most populous city in Missouri and the center of the Kansas City metropolitan area. |
| Saint Charles County | 406,204 | County in Missouri, United States |
| St. Louis | 315,685 | The second most populous city in Missouri and the center of the St. |
| Greene County | 294,997 | County in Tennessee, United States |
| Clay County | 253,463 | County in North Carolina, United States |
| Jefferson County | 226,543 | County in Missouri, United States |
| Boone County | 182,991 | County in West Virginia, United States |
| Columbia | 124,769 | The most populous city in the state of Missouri. |
| Jasper County | 121,648 | County in South Carolina, United States |
| Independence | 116,774 | A city in Jackson County, Missouri. |
| East Independence | 110,675 | A census-designated place in Jackson County, Missouri. |
| Cass County | 106,806 | County in Missouri, United States |
| Platte County | 106,532 | County in Wyoming, United States |
| Franklin County | 104,469 | County in Missouri, United States |
